Merchant Shipping Act, 1951 (Act No. 57 of 1951)

Regulations

Merchant Shipping (Collision and Distress Signals) Regulations, 2005

Annex I : Positioning and Technical Details of Lights and Shapes

7. Colour specification of lights
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The chromaticity of all navigation lights shall conform to the following standards, which lie within the boundaries of the area of the diagram specified for each colour by the International Commission on Illumination (CIE).

 

The boundaries of the area for each colour are given by indicating the corner co-ordinates, which are as follows:

 

(i)White
x0,525    0,525    0,452    0,310    0,310    0,443
y0,382    0,440    0,440    0,348    0,283    0,382

 

(ii)Green
x0,028    0,009    0,300    0,203
y0,385    0,723    0,511    0,356

 

(iii)Red
x0,680    0,660    0,735    0,721
y0,320    0,320    0,265    0,259

 

(iv)Yellow
x0,612    0,618    0,575    0,575
y0,382    0,382    0,425    0,406